Update workflows

Author: eel76-hmi

.github/workflows/linux.yml

@@ -11,4 +11,4 @@ jobs:
     uses: ./.github/workflows/tests.yml
     with:
       os: 'ubuntu-24.04'
-      cxx_compilers: '[g++-14, clang++]'
+      cxx_compilers: '["g++-14", "clang++"]'

.github/workflows/macos.yml

@@ -11,4 +11,4 @@ jobs:
     uses: ./.github/workflows/tests.yml
     with:
       os: 'macos-15'
-      cxx_compilers: '[clang++]'
+      cxx_compilers: '["clang++"]'

.github/workflows/windows.yml

@@ -11,4 +11,4 @@ jobs:
     uses: ./.github/workflows/tests.yml
     with:
       os: 'windows-2022'
-      cxx_compilers: '[cl]'
+      cxx_compilers: '["cl"]'